User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 17
Issue 1 07/99
Table 10. Signals of the bottom connector X503 (continued)
NotesUnitMaxTypMinParameterNamePin
6 XMicN
*)
Negative line
for external
audio input
to phone
0.025 Vpp Maximum input signal level
(ref. XMicP) with Cobba gain
18dB,
300< f <3400 Hz
HDC–5 mode
40 dB/dec Input attenuation, f<300 Hz
(ref. XMicP)
775 895 995 mV Hook active DC level ref.
gnd
95 380 mV Hook in–active DC level ref.
gnd
–100 –400 µA Bias current (ref. XMicP)
PPH–1 mode
0.5 Vpp Maximum input signal level
(ref. XMicP) with Cobba gain
12dB,
300< f <3400 Hz
20 dB/dec Input attenuation, f<300 Hz
(ref. XMicP)
2500 mV Mute (output DC level), wrt.
Charge_gnd without
HFM–8
2130 mV Mute (output DC level), wrt.
Charge_gnd with HFM–8
2230 mV Unmute (output DC level),
wrt. charge_ gnd without
HFM–8
1850 mV Unmute (output DC level),
wrt. charge_ gnd with
HFM–8
7 XEarN
*)
Negative line
for external
audio output
HDC–5 mode
See XEarP pin definitions
output is symmetrical
PPH–1 mode See XEarP pin definitions
output is symmetrical